package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.service.MemberService;
import com.itheima.service.PathogenyService;
import com.itheima.service.ReportService;
import com.itheima.service.SetmealService;
import com.itheima.utils.DateUtils;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.FileInputStream;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * 统计报表
 */
@RestController
@RequestMapping("/report")
public class ReportController {

    @Reference
    private MemberService memberService;

    @Reference
    private SetmealService setmealService;

    @Reference
    private ReportService reportService;

    @Reference
    private PathogenyService pathogenyService;


    /**
     * 会员数量统计
     *
     * @return
     */
    @RequestMapping("/getMemberReport")
    public Result getMemberReport() {

        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, -12);//获得当前日期之前12个月的日期

        List<String> list = new ArrayList<>();
        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);
            list.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        Map<String, Object> map = new HashMap<>();
        map.put("months", list);

        List<Integer> memberCount = memberService.findMemberCountByMonth(list);
        map.put("memberCount", memberCount);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }


    /**
     * 套餐占比统计
     *
     * @return
     */
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport() {

        List<Map<String, Object>> list = setmealService.findSetmealCount();

        Map<String, Object> map = new HashMap<>();
        map.put("setmealCount", list);

        List<String> setmealNames = new ArrayList<>();
        for (Map<String, Object> m : list) {
            String name = (String) m.get("name");
            setmealNames.add(name);
        }
        map.put("setmealNames", setmealNames);

        return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS, map);
    }


    /*
     * 会员年龄分布统计
     */
    @RequestMapping("/getMemberReportAge")
    public Result getMemberReportAge() throws Exception {
        //获取各年龄段 会员数量集合
        List<Map<String, Object>> list = memberService.findByBirthdayCount();
        System.out.println(list);
        Map<String, Object> map = new HashMap<>();
        map.put("memberAgeCount", list);

        List<String> memberAgeNames = new ArrayList<>();
        for (Map<String, Object> m : list) {
            Object name = m.get("name");
            memberAgeNames.add((String) name);
        }
        map.put("memberAgeNames", memberAgeNames);

        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }


    /* 每日预约数量\到诊数量*/
    @RequestMapping("/getEverydayReport")
    public Result getEverydayReport(@RequestBody String[] value) throws Exception {

        String start = value[0];
        String end = value[1];
        String[] s1 = start.split("T");
        start = s1[0];
        String[] s2 = end.split("T");
        end = s2[0];
        List<String> dateList = DateUtils.getDateList(start, end);
        Map<String, Object> map = reportService.getEverdayCount(dateList);
        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);
    }


    //根据给日期区间展示该时间内各套餐收入以及总收入
    @RequestMapping("/getIncomeReport")
    public Result getIncomeReport(@RequestBody String[] value) throws Exception {
        //截取字符串,获取指定区间日期的起始日期
        String start = value[0];
        String end = value[1];
        String[] s1 = start.split("T");
        start = s1[0];
        String[] s2 = end.split("T");
        end = s2[0];
        Map<String, Object> map = reportService.getSetmealIncome(start, end);
        return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, map);
    }


    /**
     * 获取运营统计数据
     *
     * @return
     */
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData() {
        try {
            Map<String, Object> result = reportService.getBusinessReport();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_SUCCESS, result);
        } catch (Exception e) {
            e.printStackTrace();
            return new Result(true, MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }
    }

    /**
     * 导出Excel报表
     *
     * @return
     */
    @RequestMapping("/exportBusinessReport")
    public Result exportBusinessReport(HttpServletRequest request, HttpServletResponse response) {
        try {
            //远程调用报表服务获取报表数据
            Map<String, Object> result = reportService.getBusinessReport();

            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer) result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");

            //获得Excel模板文件绝对路径
            String temlateRealPath = request.getSession().getServletContext().getRealPath("template") +
                    File.separator + "report_template.xlsx";
            //读取模板文件创建Excel表格对象
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(temlateRealPath)));
            XSSFSheet sheet = workbook.getSheetAt(0);

            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期

            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数

            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数

            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数

            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数

            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数

            int rowNum = 12;
            for (Map map : hotSetmeal) {//热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比
            }

            //通过输出流进行文件下载
            ServletOutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();
            return null;
        } catch (Exception e) {
            return new Result(false, MessageConstant.GET_BUSINESS_REPORT_FAIL, null);
        }
    }


    //病因生病类型图形报表
    @RequestMapping("/getPathogenyReport")
    public Result getPathogenyReport() {

        try {
            Map<String, Object> data = new HashMap<>();

            List<String> pathogenylNames = new ArrayList<>();

            //病因生病类型图形报表调用
            List<Map<String, Object>> list = pathogenyService.find();
            data.put("pathogenyCount", list);

            for (Map<String, Object> map : list) {
                //名称
                String keyword = (String) map.get("keyword");
                pathogenylNames.add(keyword);
            }
            data.put("pathogenylNames", pathogenylNames);

            return new Result(true, MessageConstant.STATI_P_SUCCESS, data);
        } catch (Exception e) {
            e.printStackTrace();
            //统计失败，给出提示
            return new Result(false, MessageConstant.STATI_P_FAIL);
        }
    }


    //运动知识库的图形报表展示
    @RequestMapping("/getMovementReport")
    public Result getMovementReport() {

        Calendar calendar = Calendar.getInstance();
        calendar.add(Calendar.MONTH, -12);//获得当前日期之前12个月的日期

        List<String> list = new ArrayList<>();

        for (int i = 0; i < 12; i++) {
            calendar.add(Calendar.MONTH, 1);
            list.add(new SimpleDateFormat("yyyy.MM").format(calendar.getTime()));
        }
        Map<String, Object> map = new HashMap<>();
        map.put("months", list);

        List<Integer> memberCount = memberService.findMemberCountByMonth(list);
        //已到诊
        List<Integer> unmemberCount = memberService.findUnMemberCountByMonth(list);
        map.put("memberCount", memberCount);
        map.put("reservationsCount", unmemberCount);

        List<Integer> andList=new ArrayList<>();
        //获取会员和已到诊之和
        for (int i = 0; i < memberCount.size(); i++) {
            //会员
            Integer integer1 = memberCount.get(i);
            //已就诊
            Integer integer = unmemberCount.get(i);

            //二者之和
            int andList1 = integer1 + integer;
            andList.add(andList1);
        }
        //二者之和
        map.put("AndList",andList);


        return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS, map);

    }
}